CN113351890A - Method and apparatus for cutting rotor for motor - Google Patents

Method and apparatus for cutting rotor for motor Download PDF

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Publication number
CN113351890A
CN113351890A CN202011371790.6A CN202011371790A CN113351890A CN 113351890 A CN113351890 A CN 113351890A CN 202011371790 A CN202011371790 A CN 202011371790A CN 113351890 A CN113351890 A CN 113351890A
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CN
China
Prior art keywords
rotor
peripheral surface
outer peripheral
drive
cutting
Prior art date
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Granted
Application number
CN202011371790.6A
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Chinese (zh)
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CN113351890B (en
Inventor
细贝晃司
汤本裕
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Sanshin Co Ltd
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Sanshin Co Ltd
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Publication date
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Publication of CN113351890A publication Critical patent/CN113351890A/en
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Publication of CN113351890B publication Critical patent/CN113351890B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B25/00—Accessories or auxiliary equipment for turning-machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Abstract

A method and an apparatus for cutting a rotor for a motor, which can cut the outer peripheral surface of the rotor having high concentricity between the outer peripheral surface of the rotor and the outer peripheral surface of a shaft of the motor, can cut the outer peripheral surface of the rotor having good roundness and surface roughness, and can cut the outer peripheral surface of the rotorThe outer peripheral surface of the rotor can be cut with high precision. The disclosed device is provided with: a rotor support mechanism part (A) which is provided with a pair of opposite V-shaped shaft support parts (A) capable of supporting two end parts of a shaft (S) of a rotor (R) of the motor to be rotatable respectively1)、(A1) (ii) a A rotation driving mechanism part (B) which is provided with an annular driving belt (B) which elastically presses and contacts with the outer peripheral surface (G) of the rotor to rotate the rotor1) (ii) a A retreat mechanism part (C) for retreating the rotary driving mechanism part from a driving position (K) for making the driving belt contact with the rotor to a retreat position for making the driving belt separate from the rotor; and a cutting mechanism (D) having a turning tool (T) for cutting the outer peripheral surface of the rotor.

Description

Method and apparatus for cutting rotor for motor
Technical Field
The present invention relates to a rotor cutting method for a motor and a rotor cutting device for a motor, for example, for cutting an outer peripheral surface of a rotor (also referred to as a "rotor") of a dc motor, an ac motor, or other various motors by using a turning tool.
Background
Conventionally, a turning tool is used as a device for cutting the surface of the commutator portion or the outer peripheral surface of the shaft portion of the rotor for a motor.
[ Prior art documents ]
[ patent document ]
Patent document 1: japanese laid-open patent publication No. 2-250707
Patent document 2: japanese laid-open patent publication No. 53-68803
Patent document 3: japanese Kokoku publication Sho-60-3665
Disclosure of Invention
[ problems to be solved by the invention ]
However, in the conventional structure described above, the outer peripheral surface of the commutator portion or the outer peripheral surface of the shaft portion of the rotor for the electric motor is cut, and not the outer peripheral surface of the rotor for the electric motor, for example, the rotor is a structure in which a plurality of laminated bodies of thin plate materials or silicon steel plates are externally fitted to the shaft and integrally formed by die-cast aluminum, and the rotor is concentrically fitted into the stator with a predetermined gap therebetween.
[ means for solving problems ]
The present invention is directed to solving the problems, and the invention of the method according to the first aspect of the present invention is a rotor cutting method for a motor, characterized in that when the outer peripheral surface of a rotor of a motor is cut by a turning tool, a retraction mechanism causes a rotary drive mechanism to perform a retraction operation to retract a drive belt to a retracted position where the drive belt is separated from the rotor, and a pair of opposed V-shaped shaft support portions of the rotor support mechanism rotatably support both end portions of the shaft of the rotor, respectively, and the rotary drive mechanism performs a facing operation from a retracted position where the drive belt is separated from the rotor to a drive position where the drive belt is in contact with the rotor, the rotor is rotated by elastically pressing and contacting the annular drive belt of the rotary drive mechanism with the outer peripheral surface of the rotor, the rotor is rotated by the drive belt of the rotary drive mechanism, and the outer peripheral surface of the rotor is cut by a turning tool of the cutting mechanism.
In addition, according to a second aspect of the present invention, there is provided a rotor cutting device for a motor, for cutting an outer peripheral surface of a rotor of the motor with a turning tool, comprising: a rotor support mechanism unit including a pair of opposing V-shaped shaft support units capable of rotatably supporting both end portions of a shaft of the rotor; a rotation driving mechanism unit having an endless driving belt which is elastically pressed against the outer peripheral surface of the rotor to rotate the rotor; a retraction mechanism unit configured to cause the rotation drive mechanism unit to perform a retraction operation from a drive position at which the drive belt is in contact with the rotor to a retraction position at which the drive belt is separated from the rotor; and a cutting mechanism portion having a turning tool for cutting the outer peripheral surface of the rotor.
In addition, an invention of the apparatus according to a third aspect is characterized by including: an inclination angle adjusting mechanism capable of adjusting an angle formed by a running direction of a drive belt of the rotation driving mechanism and an orthogonal direction orthogonal to a rotation axis of the rotor to a predetermined inclination angle; and a positioning portion that abuts on one end portion of the shaft of the rotor, and the device according to a fourth aspect of the present invention is characterized in that the cutting mechanism portion includes: in the fifth aspect of the present invention, the driving belt is disposed at the driving position where the driving belt can be elastically pressed into contact with the upper outer peripheral surface of the rotor, and the turning tool is disposed at a cutting position where the turning tool cuts the lower outer peripheral surface of the rotor.
In the device according to a sixth aspect of the present invention, the rotation driving mechanism includes: a pair of elastic pressing contact rollers for elastically pressing, winding and contacting the driving belt with the outer peripheral surface of the rotor; and a slack absorbing mechanism having an absorbing roller that absorbs slack of the drive belt generated between the pair of elastic press-contact rollers at the retracted position by the drive belt being separated from the outer peripheral surface of the rotor, and that stretches the drive belt, wherein the rotation driving mechanism includes: a driving motor for driving the driving belt; and a driving roller rotated by the driving motor, the driving belt being wound and arranged between the driving roller and the pair of elastic press-contact rollers, wherein the retraction mechanism causes the rotation driving mechanism to perform a retraction operation from the driving position to the retraction position around a rotation axis of the driving roller by an up-and-down swinging cylinder, and wherein the tilt angle adjustment mechanism includes a rotation adjustment mechanism capable of rotationally adjusting the rotation driving mechanism around a rotation axis having a rotation axis orthogonal to the rotation axis of the driving roller.
Effects of the invention
In the invention according to the first and second aspects, as described above, the retracting mechanism retracts the rotary drive mechanism to a retracted position where the drive belt is separated from the rotor, both end portions of the shaft of the rotor of the motor are rotatably supported by the pair of opposed V-shaped shaft support portions of the rotor support mechanism, the rotary drive mechanism is operated to face each other in a manner that the drive position where the drive belt is in contact with the rotor is brought from the retracted position where the drive belt is separated from the rotor, the annular drive belt of the rotary drive mechanism is elastically pressed against the outer peripheral surface of the rotor to rotate the rotor, and the drive belt of the rotary drive mechanism rotates the rotor to cut the outer peripheral surface of the rotor by the turning tool of the cutting mechanism, so that both end portions of the shaft of the rotor are rotatably supported by the pair of opposed V-shaped shaft support portions of the rotor support mechanism, the outer peripheral surface of the rotor is cut, so that the outer peripheral surface of the rotor with high concentricity between the outer peripheral surface of the shaft of the rotor and the outer peripheral surface of the shaft can be cut; since both ends of the shaft of the rotor are rotatably supported by a pair of opposed V-shaped shaft support portions of the rotation drive mechanism, the rotor is rotated by elastically pressing and contacting the annular drive belt of the rotation drive mechanism with the outer peripheral surface of the rotor, the outer peripheral surface of the rotor is cut by a turning tool of the cutting mechanism, therefore, vibration of the rotor caused by rotation can be suppressed, the outer peripheral surface of the rotor having excellent roundness and surface roughness can be cut, the outer peripheral surface of the rotor can be cut with high accuracy, the rotor can be disposed on the stator of the motor with a predetermined gap and with high accuracy, the outer peripheral surface of the rotor and the shaft can be not gripped, the rotor can be easily attached and detached by preventing damage to the rotor caused by grasping the rotor, and the efficiency of cutting the rotor can be further improved.
In addition, in the invention according to the third aspect, the configuration is provided with: an inclination angle adjusting mechanism capable of adjusting an angle formed by a running direction of a drive belt of the rotation driving mechanism and an orthogonal direction orthogonal to a rotation axis of the rotor to a predetermined inclination angle; and a positioning portion which abuts on one end portion of the shaft of the rotor, so that thrust can be generated by an angle formed by a running direction of the drive belt and an orthogonal direction orthogonal to a rotation axis of the rotor, and the one end portion of the shaft of the rotor abuts on the positioning portion to position the rotor at the shaft support portion, whereby a positioning structure of the rotor can be simplified, and the rotor can be easily supplied to and taken out from the shaft support portion, and in addition, in the invention described in the fourth aspect, the cutting mechanism portion includes: a cutting mechanism for cutting the turning tool in the radial direction of the rotor; and a feeding mechanism for advancing the turning tool in the direction of the rotation axis of the rotor, so that the cutting operation of the turning tool in the radial direction of the rotor can be improved, and the cutting operation of the outer peripheral surface of the rotor can be performed with high accuracy by advancing the turning tool in the direction of the rotation axis of the rotor, and further, in the invention according to the fifth aspect, since the turning tool is disposed at the driving position where the turning tool can be elastically pressed into contact with the upper outer peripheral surface of the rotor, and the drive belt is disposed at the cutting position where the cutting operation of the cutting tool is performed on the lower outer peripheral surface of the rotor, it is possible to avoid the interference between the elastic pressing contact operation of the drive belt of the rotation driving mechanism for rotating the rotor and the cutting operation and the feeding operation of the turning tool, and it is possible to enlarge the winding angle of the drive belt with respect to the outer peripheral surface of the, the outer peripheral surface of the rotor can be cut satisfactorily.
In the sixth aspect of the present invention, the rotation driving mechanism includes: a pair of elastic pressing and contacting rollers for elastically pressing, winding and contacting the driving belt and the outer peripheral surface of the rotor at the driving position; and a slack absorbing mechanism that has an absorbing roller that absorbs slack in the drive belt generated between the pair of elastic press-contact rollers at the retracted position due to the drive belt being separated from the outer circumferential surface of the rotor, and that stretches the drive belt, and therefore, the drive rotation of the rotor and the travel of the drive belt by the drive belt can be smoothly performed, and the rotor can be favorably cut, and in the invention according to the seventh aspect, the rotation driving mechanism includes: a driving motor for driving the driving belt; and a driving roller rotated by a driving motor, and a driving belt is wound and arranged between the driving roller and the pair of elastic press-contact rollers, wherein the retraction mechanism is configured to perform a retraction operation from the driving position to the retraction position around a rotation axis of the driving roller by vertically swinging the air cylinder, and therefore the structure of the retraction mechanism can be simplified, and the retraction operation from the driving position to the retraction position can be smoothly performed, and further, in the invention according to the eighth aspect, the tilt angle adjustment mechanism is configured to include a rotation adjustment mechanism capable of rotationally adjusting the rotation driving mechanism around a rotation axis having a rotation axis orthogonal to the rotation axis of the driving roller, and therefore, the structure of the tilt angle adjustment mechanism can be simplified, the angle formed by the running direction of the drive belt and the orthogonal direction orthogonal to the rotation axis of the rotor can be adjusted to a predetermined inclination angle, the rotor can be smoothly rotated by adjusting the thrust, one end of the shaft of the rotor can be accurately abutted to the positioning portion, and the outer peripheral surface of the rotor can be cut satisfactorily.
Drawings
Fig. 1 is an overall front sectional view of an embodiment of the present invention.
Fig. 2 is an overall plan view of an embodiment of the present invention.
Fig. 3 is a partial side sectional view of an embodiment of the present invention.
Fig. 4 is a partially enlarged front view of an embodiment of the present invention.
Fig. 5 is an enlarged partial side sectional view of an embodiment of the present invention.
Fig. 6 is a partially enlarged front sectional view of an embodiment of the present invention.
Fig. 7 is a partial top view of an embodiment of the present invention.
Fig. 8 is an enlarged partial side sectional view of an embodiment of the present invention.
Fig. 9 is a partially enlarged plan view of the embodiment of the present invention.
Fig. 10 is a partial front cross-sectional view of an embodiment of the present invention.
Fig. 11 is a partial front cross-sectional view of an embodiment of the present invention.
Fig. 12 is a perspective view illustrating an embodiment of the present invention.
Description of reference numerals:
r rotor; an S axis; t: turning a tool; a: a rotor support mechanism part; a. the1: a shaft support portion; b: a rotation driving mechanism section; b is1: a drive belt; b is2: a roller for elastic pressing contact; b is3: a slack-absorbing mechanism; b is6: an absorbing roller; b isM: a drive motor; b isR: a drive roller; bd: the running direction; b isR0: a rotation axis; c: a retreat mechanism section; c1: an air cylinder for up-and-down swinging; d: a cutting mechanism section; d1: a cutting mechanism; d2: a feed mechanism; e: an inclination angle adjusting mechanism; e1: a rotating shaft; e2: a rotation adjustment mechanism; e10: a rotational axis; f: a positioning part; g: an outer peripheral surface; gU: an upper peripheral surface; gD: a lower peripheral surface; k: a drive position; l: a retreat position; r0: a rotation axis; nd: an orthogonal direction; q: a cutting position; θ: and (4) inclining the angle.
Detailed Description
Fig. 1 to 12 show an embodiment of the present invention, and as shown in fig. 1, 2, 6, 10, and 11, the present invention is configured to include: a rotor support mechanism part A which is provided with a pair of opposite V-shaped shaft support parts A capable of supporting two end parts of a shaft S of a rotor R of the motor to be rotatable respectively1、A1(ii) a A rotation driving mechanism part B having an annular driving belt B elastically pressed and contacted with the outer peripheral surface G of the rotor R to rotate the rotor R1(ii) a A retreat mechanism part C for making the rotary driving mechanism part B to drive the belt B from the driving belt B1From a drive position K in contact with the rotor R to a drive belt B1A retreating operation of separating from the retreated position L of the rotor R; and a cutting mechanism section D having a turning tool T for cutting the outer peripheral surface G of the rotor R.
In this case, as shown in fig. 1, 2, and 9, the configuration includes: a tilt angle adjusting mechanism E capable of adjusting the drive belt B of the rotary drive mechanism B1And the rotational axis R of the rotor R0An angle formed by an orthogonal direction Nd is adjusted to a predetermined inclination angle theta; and a positioning portion F that abuts against one end of the shaft S of the rotor R.
In this case, as shown in fig. 2 and 3, the cutting mechanism D includes: cutting mechanism D1Cutting the turning tool T in the radial direction of the rotor R; and a feeding mechanism D2By setting the turning tool T at the axis of rotation R of the rotor R0The feed motion is advanced in the direction.
In addition, in theIn this case, the above-described drive belt B is driven as shown in FIG. 61An upper outer peripheral surface G disposed on the rotor RUThe turning tool T is arranged at the lower outer peripheral surface G of the rotor RDA cutting position Q at which the cutting is performed.
In this case, as shown in fig. 1, 4, 5, and 12, the rotation driving mechanism B includes: a pair of elastic press-contact rollers B2、B2At the driving position K, the driving belt B is driven1Elastically press-wound in contact with the outer peripheral surface G of the rotor R; and a slack-absorbing mechanism B3Having a suction roll B6The absorption roller B6Absorbing the driving belt B at the above-mentioned retreat position L1A pair of elastic press-contact rollers B separated from the outer peripheral surface G of the rotor R2、B2So that slack is generated therebetween to drive the belt B1Stretching, in this case, the absorption roller B6Can always elastically press a pair of tension rollers B4、B4Drive belt B therebetween1。
In this case, as shown in fig. 10, 11, and 12, the rotation driving mechanism B includes: driving the above-mentioned drive belt B1Motor B for drivingMAnd a motor B for drivingMRotating drive roller BRAt the driving roller BRA pair of elastic press-contact rollers B2、B2Drive belt B of interwinding configuration1The retreat mechanism section C is formed by a cylinder C for swinging up and down1The roller B is driven by the rotation driving mechanismROf the axis of rotation BR0The retracting operation from the driving position K to the retracting position L is performed as a center.
In this case, as shown in fig. 1 and 2, the tilt angle adjusting mechanism E includes a rotation adjusting mechanism E2The rotation adjusting mechanism E2Can be provided with a driving roller BROf the axis of rotation BR0Orthogonal axes of rotation E10Of a rotating shaft E1Centering on the rotary drive mechanism part BAnd (4) performing rotation adjustment.
In this case, as shown in fig. 1, 2, 6, 7, 8, and 9, the rotor support mechanism a is configured such that a pair of bearings 2 and 2 are arranged facing each other in a machine body 1, two guide shafts 3 and 3 are provided between the bearings 2 and 2, two sliders 4 and 4 are provided to be slidable between the guide shafts 3 and 3, screw shafts 5 and 5 are provided between the respective sliders 4 and the respective bearings 2 and 2, respectively, the sliders 4 and 4 are provided to be movable forward and backward by forward rotation of the screw shafts 5 and 5, and the pair of opposed V-shaped shaft support portions a are provided to the respective sliders 4 and 41、A1Is arranged to pass through the shaft support part A1、A1The V- shaped support surfaces 6 and 6 support both end portions of the shaft S of the rotor R of the motor to be rotatable, and in this case, the shaft support portion a is configured to be rotatable1、A1The V-shaped shaft support surfaces 6 and 6 are respectively provided with hard materials 6a and 6a made of industrial diamond material or other hard material, and the screw shafts 5 and 5 are rotated forward and backward to correspond to the length, size, and the like of the shaft S of the rotor R of the motor.
In this case, as shown in fig. 1 and 3, the pair of elastic press-contact rollers B are disposed in the swing body 7 in the rotation driving mechanism B2、B2The slack absorbing mechanism B3A pair of tension rollers B4、B4Guide roller B5And a driving roller BRWherein the elastic press-contact rollers B2、B2The slack absorbing mechanism B3A pair of tension rollers B4、B4Guide roller B5And a driving roller BRAn upper winding and mounting of the endless drive belt B1。
In this case, as shown in fig. 1 and 2, the configuration is: the retreat mechanism part C, the inclination angle adjusting mechanism E and the rotation adjusting mechanism E2The turn table 8 is disposed on the horizontal surface 1a of the machine body 1 through a rotation axis E1About an axis of rotation E10A bolt 9 for fixing the rotary table 8 to the machine body 1 is arranged for freely adjusting the rotation at the center, and an evasion groove part is formed on the rotary table 8 and the machine body 18a, 1b, and a cylinder C for swinging the upper and lower parts on a turntable 81Cylinders C disposed in the avoidance groove portions 8a, 1b and pivotally connected by pivots 10 to swing up and down1The cylinder C is swung up and down by the connecting pin 111The positioning part F is provided with a stop pin 12 for adjusting the advance and retreat of one bearing 2 of the pair of bearings 2, and a bolt 13 for fixing the stop pin 12 to the bearing 2, and as shown in FIG. 9, the positioning part F is driven by a driving belt B of the rotary shaft driving mechanism B1And the rotational axis R of the rotor R0The thrust P shown in the figure generated by the inclination angle theta formed by the orthogonal direction Nd makes the rotor R at the shaft supporting part A1、A1Moves upward to make one end of the shaft S of the rotor R contact with the positioning part F, and the shaft support part A1、A1The rotor R is freely positioned.
In this case, as shown in fig. 1, 2, and 3, the configuration is: the cutting mechanism D in the cutting mechanism part D1And a feeding mechanism D2In the above-described structure, a fixed stage 14 is attached to the inclined surface portion 1c of the machine body 1, and a movable stage 15 is provided on the fixed stage 14 via a slide mechanism 16 composed of a slide portion 16a and a guide portion 16b so as to be positioned on the rotation axis R of the rotor R0The feed motor 17 is mounted on the fixed base 14, the screw shaft 17a is mounted on the fixed base 14 through the bearing plates 14a and 14a, the nut body 15a screwed with the screw shaft 17a is mounted on the movable base 15, the main shaft of the feed motor 17 and the screw shaft 17a are connected by the joint 17b, and the cutting base 8 is provided on the movable base 15 and is connected to the rotation axis R of the rotor R through the slide mechanism 19 composed of the slide portion 19a and the guide portion 19b0A cutting motor 20 is mounted on the movable table 15, a screw shaft 20a is mounted on the movable table 15 through bearing plates 15b, a nut 20b screwed with the screw shaft 20a is mounted on the cutting table 18, a main shaft of the cutting motor 20 and the screw shaft 20a are connected by a joint 20c, a tool mounting table 21 is mounted on the cutting table 18, and a lower outer peripheral surface G facing the rotor R is mounted on the tool mounting table 21DCutting-in vehicleThe blade T is used, for example, as a scraping tool T used for precision cutting or finish cutting or a tool T of other various shapes and materials, and is cut into the lower outer peripheral surface G of the rotor R by the tool T disposed at the cutting position QDCutting is performed. The arrangement angle α of the inclined surface portion 1c with respect to the horizontal plane portion 1a in fig. 1 is, for example, about 20 to 45 degrees, and the drive belt B can be increased as the arrangement angle α is larger1The flexibility of the arrangement structure of the turning tool T in the cutting mechanism D can be increased by the arrangement structure of the drive belt B1The winding angle gamma of the rotor R relative to the outer peripheral surface can be accurately performed by the driving belt B1The rotor R of (1) is driven.
In this embodiment, because of the above-described configuration, the rotation driving mechanism B is caused to move toward the drive belt B by the retraction mechanism C as shown in fig. 111The retreating operation from the retreated position L of the rotor R is performed manually or automatically on a pair of opposed V-shaped shaft support sections A of the rotor support mechanism section A1、A1The rotor R of the motor is rotatably supported at both ends of the shaft S, and the rotation driving mechanism B is driven to drive the belt B from the outside as shown in fig. 101Is separated from the retreating position L of the rotor R to the driving belt B1The opposite operation of the driving position K contacting with the rotor R causes the annular driving belt B of the rotary driving mechanism part B1The rotor R is rotated by elastically pressing and contacting with the outer peripheral surface G of the rotor R, and the driving belt B of the driving mechanism part B is rotated1Rotating the rotor R to cut the outer peripheral surface G of the rotor R with the turning tool T of the cutting mechanism portion D; therefore, both ends of the shaft S of the rotor R are supported by a pair of opposing V-shaped shaft supporting portions a of the rotor supporting mechanism portion a1、A1Since the outer peripheral surface G of the rotor R is cut while being rotatably supported, the outer peripheral surface G of the rotor R having high concentricity with the outer peripheral surface of the shaft S can be cut, and the pair of opposed V-shaped shaft support portions a of the rotor support mechanism portion a can be provided1、A1An endless drive belt B rotatably supporting both ends of the shaft S of the rotor R and serving as a rotation drive mechanism B1The rotor R is rotated by elastically pressing the outer peripheral surface G of the rotor R against the outer peripheral surface G of the rotor R, and the outer peripheral surface G of the rotor R is cut by the turning tool T of the cutting mechanism D, so that vibration of the rotor R accompanying the rotation can be suppressed, the outer peripheral surface of the rotor R excellent in roundness and surface roughness can be cut, the outer peripheral surface G of the rotor R can be cut with high accuracy, the rotor R can be disposed with a predetermined gap with high accuracy with respect to the stator of the motor, the problem of damage of the rotor R accompanying the holding can be prevented without holding the outer peripheral surface G of the rotor R and the shaft S, the attachment and detachment of the rotor R with supply and removal can be easily performed, and the cutting efficiency of the rotor R can be further improved.
In this case, as shown in fig. 1, 2, and 9, the drive belt B of the rotary drive mechanism B is provided1And the rotational axis R of the rotor R0An inclination angle adjusting mechanism E for adjusting an angle formed by orthogonal directions Nd to a predetermined inclination angle theta, and a positioning portion F for abutting against one end of the shaft S of the rotor R, so that the one end of the shaft S of the rotor R can be driven by the driving belt B1And the rotational axis R of the rotor R0The thrust P generated by the inclination angle theta formed by the orthogonal direction Nd is abutted with the positioning part F, and the rotor R is positioned at the shaft supporting part A1、A1The positioning structure of the rotor R can be simplified, and the rotor R can be easily supplied to the shaft support part A1、A1And a shaft support part A1、A1Taking out the rotor R; in this case, as shown in fig. 1, 2, and 3, the cutting structure D includes a cutting structure D for performing a cutting operation of the turning tool T in the radial direction of the rotor R1And a turning tool T is arranged on the rotation axis R of the rotor R0Feed mechanism D for feeding in direction2Therefore, the turning tool T can be moved to the rotation axis R of the rotor R while performing the cutting operation in the radial direction of the rotor R0Performing a feeding operation in the direction to perform a cutting process with good accuracy on the outer peripheral surface G of the rotor R; in this case, as shown in FIG. 6, the heat exchanger is made ofIn the above-mentioned drive belt B1An upper outer peripheral surface G disposed on the rotor RUThe turning tool T is arranged at the lower outer peripheral surface G of the rotor RDSince the cutting position Q is a cutting position at which the cutting is performed, the drive belt B of the rotary drive mechanism B for rotating the rotor R can be avoided1The elastic pressing contact action of the cutter T and the cutting action and the feeding action of the cutter T are mutually interfered, and the driving belt B can be increased1The winding angle gamma of the rotor R relative to the outer peripheral surface G can be accurately performed by the driving belt B1The rotation driving of the rotor R in (2) enables good cutting of the outer peripheral surface G of the rotor R.
In this case, as shown in fig. 6, 10, and 11, the configuration is: the rotation driving mechanism B includes: a pair of elastic press-contact rollers B2、B2At the driving position K, the driving belt B is driven1Elastically pressing the outer peripheral surface G of the rotor R to make contact; and a slack-absorbing mechanism B3Having a suction roll B6The absorbing roller B absorbs and drives the belt B1A pair of elastic press-contact rollers B formed by separating the outer peripheral surface G of the rotor R at the retreat position L2、B2Drive belt B therebetween1To let drive the belt B1Stretching, therefore, the belt B can be smoothly driven1The rotor R is driven to rotate and the driving belt B is driven1The movement of (2) can perform good cutting on the rotor R; in this case, as shown in fig. 10 and 11, the rotation driving mechanism B is provided with a driving belt B for driving the driving belt B1Motor B for drivingMAnd through the driving motor BMRotating drive roller BRAnd at the driving roller BRA pair of elastic press-contact rollers B2、B2Drive belt B of interwinding configuration1And the retreating mechanism is configured as a cylinder C for vertical oscillation1The rotary drive mechanism is driven by the roller BROf the axis of rotation BR0Since the retraction operation from the drive position K to the retraction position L is performed as a center, the operation can be simplifiedA structure of the retreating mechanism C that can smoothly perform retreating operation from a driving position to the retreating position; in this case, as shown in fig. 1, 2, and 9, the tilt angle adjusting mechanism E is configured to be rotatable about an axis E1A rotation adjusting mechanism E for adjusting the rotation driving mechanism B for rotation as a center2Wherein the above-mentioned rotating shaft E1Having and driving roller BROf the axis of rotation BR0Orthogonal axes of rotation E10Therefore, the structure of the inclination angle adjusting mechanism E can be simplified, and the drive belt B can be driven1And the rotational axis R of the rotor R0The angle θ formed by the orthogonal directions Nd is adjusted to a predetermined inclination angle θ, and the rotor R can be smoothly rotated by adjusting the thrust force P, and the one end portion of the shaft S of the rotor R can be accurately brought into contact with the positioning portion F, so that the outer peripheral surface G of the rotor R can be satisfactorily cut.
The present invention is not limited to the above-described embodiments, but structures of the rotor R, the shaft S, and the turning tool T, the rotor support mechanism a, and the shaft support a1、A1A rotation drive mechanism part B and a drive belt B1Roller B for elastic press contact2、B2Slack absorbing mechanism B3Absorbing roller B6And a driving motor BMDrive roller BRRunning direction Bd, axis of rotation BR0A retreat mechanism part C, and a cylinder C for vertical swing1Cutting mechanism D and cutting mechanism D1Feeding mechanism D2An inclination angle adjusting mechanism E and a rotating shaft E1And a rotation adjusting mechanism E2Axis of rotation E10The structure of the positioning portion F and the inclination angle theta can be changed as appropriate.
As described above, the desired object can be sufficiently achieved.

Claims (8)

1. A rotor cutting method for a motor is characterized in that,
when the outer circumferential surface of the rotor of the motor is cut with a turning tool,
the rotation driving mechanism is retreated to a retreating position where the driving belt is separated from the rotor by the retreating mechanism,
a pair of opposite V-shaped shaft supporting parts of the rotor supporting mechanism part respectively and rotatably supports two end parts of the shaft of the rotor,
the rotary drive mechanism unit is caused to perform a facing operation from a retracted position where the drive belt is separated from the rotor to a drive position where the drive belt is in contact with the rotor,
an annular drive belt of a rotation drive mechanism is elastically pressed against the outer peripheral surface of the rotor to rotate the rotor,
the rotor is rotated by a drive belt of the rotation drive mechanism, and the outer peripheral surface of the rotor is cut by a turning tool of the cutting mechanism.
2. A rotor cutting device for a motor, characterized in that an outer peripheral surface of a rotor of the motor is cut by a turning tool, the rotor cutting device for a motor comprising:
a rotor support mechanism unit including a pair of opposing V-shaped shaft support units capable of rotatably supporting both end portions of a shaft of the rotor;
a rotation driving mechanism unit including an endless driving belt that is elastically pressed against an outer peripheral surface of the rotor to rotate the rotor;
a retraction mechanism unit configured to cause the rotation drive mechanism unit to perform a retraction operation from a drive position at which the drive belt is in contact with the rotor to a retraction position at which the drive belt is separated from the rotor; and
and a cutting mechanism part provided with a turning tool for cutting the outer peripheral surface of the rotor.
3. The rotor cutting device for a motor according to claim 2, comprising:
an inclination angle adjusting mechanism capable of adjusting an angle formed by a running direction of a drive belt of the rotation driving mechanism and an orthogonal direction orthogonal to a rotation axis of the rotor to a predetermined inclination angle; and
and a positioning portion that abuts against one end of the shaft of the rotor.
4. The rotor cutting device for a motor according to claim 2,
the cutting mechanism includes:
a cutting mechanism for cutting the turning tool in the radial direction of the rotor; and
and a feeding mechanism for feeding the turning tool in the direction of the rotation axis of the rotor.
5. The rotor cutting device for a motor according to claim 2,
the drive belt is disposed at the drive position where the drive belt can be elastically pressed against the upper outer peripheral surface of the rotor,
the turning tool is disposed at a cutting position where the cutting is performed on the lower outer peripheral surface of the rotor.
6. The rotor cutting device for a motor according to claim 2,
the rotation driving mechanism includes:
a pair of elastic pressing and contacting rollers for elastically pressing and winding and contacting the driving belt and the outer peripheral surface of the rotor at the driving position; and
and a slack absorbing mechanism having an absorbing roller that absorbs slack of the drive belt generated between the pair of elastic pressing contact rollers at the retracted position due to the drive belt being separated from the outer peripheral surface of the rotor, and that stretches the drive belt.
7. The rotor cutting device for a motor according to claim 6,
the rotation driving mechanism includes: a drive motor for driving the drive belt; and a drive roller rotated by the drive motor,
the drive belt is wound and arranged between the drive roller and the pair of elastic press-contact rollers, and the retraction mechanism causes the rotation drive mechanism to perform a retraction operation from the drive position to the retraction position around the rotation axis of the drive roller by vertically swinging the air cylinder.
8. The rotor cutting device for a motor according to claim 3,
the tilt angle adjusting mechanism includes a rotation adjusting mechanism that can adjust the rotation of the rotary driving mechanism section around a rotation axis having a rotation axis orthogonal to the rotation axis of the driving roller.
CN202011371790.6A 2020-03-06 2020-11-30 Method and apparatus for cutting rotor for motor Active CN113351890B (en)

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Application Number Priority Date Filing Date Title
JP2020039282A JP6934969B2 (en) 2020-03-06 2020-03-06 Rotor cutting method for motors and their machines
JP2020-039282 2020-03-06

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CN208391021U (en) * 2018-07-06 2019-01-18 深圳市金岷江智能装备有限公司 Precision turning device
CN110573281A (en) * 2017-03-20 2019-12-13 海勒机械制造兄弟有限公司 Machine spindle arrangement for a machine tool

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Publication number Priority date Publication date Assignee Title
JPS541484A (en) * 1977-06-07 1979-01-08 Azuma Kikai Seisakushiyo Kk Machine for cutting and working outer diameter of rotor
JPS63318201A (en) * 1987-06-17 1988-12-27 Toyoda Mach Works Ltd Machining method for curved surface
JP2003170328A (en) * 2001-11-30 2003-06-17 Toshiba Mach Co Ltd Tool, tool holder, and machine tool
JP2006187163A (en) * 2004-12-28 2006-07-13 Denso Corp Method of processing rotor of rotating machine
CN202894342U (en) * 2012-11-07 2013-04-24 广东至盈实业有限公司 Outer circular face turning device for micro-motor rotor commutator
CN106363424A (en) * 2016-09-29 2017-02-01 广东美的环境电器制造有限公司 Bearing device, turning device and turning processing method
CN206305466U (en) * 2016-12-28 2017-07-07 深圳市兴飞良电机设备有限公司 High-precision hilted broadsword smart car machine
CN206382561U (en) * 2016-12-31 2017-08-08 佛山市顺德区容桂纯隆实业有限公司 Rotor processes special purpose lathe
CN110573281A (en) * 2017-03-20 2019-12-13 海勒机械制造兄弟有限公司 Machine spindle arrangement for a machine tool
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